diff --git a/ZMQ-Publisher-Reference.md b/ZMQ-Publisher-Reference.md
index 86bd8d9..1dcb0d6 100644
--- a/ZMQ-Publisher-Reference.md
+++ b/ZMQ-Publisher-Reference.md
@@ -61,7 +61,7 @@ Example:
 
 Parameters describing the function of the oscilloscope view of periodic detector readings. Data is a dictionary with the following fields:
 * "on": Boolean integer stating whether the detector readings will be published.
-* "interval": The length of the period (seconds) between detector values being published.
+* "interval": The length of the period (seconds) between detector values being published (min. allowed value is 0.1s).
 * "countRate": Boolean integer stating whether the published values are per second (1/True), or raw detector values (0/False)
 
 Example: